﴿ وَوَهَبْنَا لَهُۥ مِن رَّحْمَتِنَآ أَخَاهُ هَٰرُونَ نَبِيًّۭا ﴾

“and [how], out of Our grace, We granted unto him his brother Aaron, to be a prophet [by his side].”

(And We bestowed upon him of Our mercy) from Our blessing (his brother Aaron, a prophet (likewise)) a helping assistant.